Oil & Gas
| Fri 01 May 2026
Beijing, May 2 -- PetroChina has applied Chinese patent for Bagged Material Unloader and Unloading Method. Zhang Feng, Chen Haiwang, Huang Lin, Hu Kang, Wang Jianhui, Ning Zhaohua, Du Liang, Shi Cunpeng, Zhang Yuliang, Lu Ming and Shi Faxin developed it.
The patent application number is CN202410830242 20240625. The patent publi..